
TECHNICAL INFORMATION
MAIN
CODE
SUB
CODE
DESCRIPTION
CHECK
TRANS
LIGHT
INHIBITED OPERATION
DESCRIPTION
56
33
Range verification ratio test, 3rd
Yes
(1)
DNS, 5th or SOL OFF (4th),
DNA
56
44
Range verification ratio test, 4th
Yes
DNS, 3rd or 5th, DNA
56
55
Range verification ratio test, 5th
Yes
(1)
DNS, SOL OFF (5th) or 3rd,
DNA
56
66
Range verification ratio test, 6th
Yes
DNS, 5th, 3rd or
SOL OFF (3rd), DNA
56
77
Range verification ratio test, R
Yes
DNS, N2 or N3, DNA
57
11
Range verification C3PS test, 1st
Yes
DNS, SOL OFF (3rd), DNA
57
22
Range verification C3PS test, 2nd
Yes
DNS, 3rd, DNA
57
44
Range verification C3PS test, 4th
Yes
DNS, 5th or
SOL OFF (3rd), DNA
57
66
Range verification C3PS test, 6th
Yes
DSN, SOL OFF (5th), DNA
57
88
Range verification C3PS test, N1
Yes
DNS, N3, DNA
57
99
Range verification C3PS test,
N2 or N4
Yes
DNS, N3, DNA
61
0
Retarder oil temperature, hot
No
None
62
12
Retarder oil temperature sensor, low
No
None
62
23
Retarder oil temperature sensor, high
No
None
62
32
Engine coolant sensor, failed low
No
Use default value of 0°F
62
33
Engine coolant sensor, failed high
No
Use default value of 0°F
63
0
Input function fault
Yes
Depends on input function,
DNA
63
26
Kickdown input, failed on
No
Kickdown operation inhibited
63
40
Service brake status input, failed on
No
No auto Neutral to Drive shifts
for refuse packer (I/O
package # 41). No retarder if
a TPS code is also active
64
12
Retarder modulation request sensor,
failed low
No
Retarder operation inhibited
64
23
Retarder modulation request sensor,
failed high
No
Retarder operation inhibited
66
0
Serial communications interface fault
No
Use default throttle values,
DNA
66
11
SCI engine coolant source fault
No
Use default value of 0°F
69
27
ECU, inoperative A-Hi switch
Yes
DNS, NNC, DNA
69
28
ECU, inoperative F-Hi switch
Yes
Lock-up inhibited, DNA
69
29
ECU, inoperative N and H-Hi switch
No
Low and 1st inhibited,
retarder inhibited, DNA
69
33
ECU, Computer Operating Properly
(COP) timeout
No
Reset ECU, shutdown ECU
on 2nd occurrence (power
loss: hydraulic defaults), may
cause "cateye" display, DNA
(4)
69
34
ECU, write timeout
Yes
DNS, SOL OFF
(Hydraulic default), DNA
69
35
ECU, checksum test
No
Induce COP timeout
(reset ECU), DNA
(4)
69
36
ECU, RAM self test
No
Induce COP timeout
(reset ECU), DNA
(4)
69
39
Communication chip addressing error
No
Use default for J1939 data,
DNA
8-16